317L Stainless Seamless Tube

Application:

Stainless steel pipe is an economic section steel, is an important product in the steel industry, can be widely used in life decoration and industry, many people on the market for the production of stairs handrails, window guards, railings, furniture, etc.. Commonly available in 201 and 304 two materials.

Accounting for about 8% a 16% of all steel, it is used in an extremely wide range of applications in the national economy. Because of the steel pipe has a hollow section, and therefore the most suitable for liquid, gas and solid transport pipeline; at the same time with the same weight of round steel, steel pipe section coefficient, bending and torsional strength, so also become a variety of machinery and building structure on the important material. Structures and components made of stainless steel tubes have a larger cross-sectional modulus than solid parts under equal weight. Therefore, the stainless steel tube itself is a metal-saving economic section steel, it is an important part of efficient steel, especially in the oil drilling, smelting and transport industries are in greater demand, followed by geological drilling, chemical industry, construction industry, machinery industry, aircraft and automobile manufacturing, as well as boilers, medical equipment, furniture and bicycle manufacturing also need a large number of various steel tubes. With the development of new technologies such as atomic energy, rockets, missiles and space industry, stainless steel pipe in the defense industry, science and technology and economic construction is becoming more and more important.

Stainless steel pipe is safe, reliable, sanitary and environmentally friendly, economical, thin-walled pipes and new reliable, simple and convenient connection methods are developed successfully, so that it has more irreplaceable advantages of other pipes, the application of engineering will be more and more, the use of more and more popular, the prospects are good.

As stainless steel has many of the ideal properties required for building materials, it can be said to be unique in the metal, and its development continues. To make stainless steel perform better in traditional applications, improvements have been made to the existing types, and new stainless steels are being developed to meet the stringent requirements of advanced architectural applications. Due to increasing production efficiency and improving quality, stainless steel has become one of the most cost effective materials chosen by architects.

Stainless steel combines performance, appearance and use characteristics, so stainless steel will remain one of the world's best building materials.

With the implementation of China's reform and opening-up policy, the national economy has gained rapid growth, urban residential, public buildings and tourism facilities are built in large numbers, the hot water supply and domestic water supply has put forward new requirements. In particular, the issue of water quality is becoming more and more important and the requirements are increasing. Galvanized steel pipe, a common pipe because of its easy corrosive, under the influence of relevant national policies, will gradually withdraw from the historical stage, plastic pipe, composite pipe and copper pipe into the common pipe of the piping system. But in many cases, stainless steel pipe is more superior, especially the wall thickness of only 0.6 ~ 1.2mm thin-walled stainless steel pipe in high-quality drinking water system, hot water system and will be safe, sanitary water supply system in the first place, with safe and reliable, health and environmental protection, economic and other characteristics. Has been proven by domestic and foreign engineering practice is the best comprehensive performance of the water supply system, new, energy-saving and environmentally friendly pipe, is also a very competitive water supply pipe material, will play an incomparable role in improving water quality, improve people's living standards.

In the building water supply system, as galvanized steel pipe has ended a hundred years of glorious history, a variety of new plastic pipes and composite pipes have been rapidly developed, but a variety of pipes still have some shortcomings to varying degrees, far from fully adapt to the needs of the water supply system and the country's requirements for drinking water and related water quality. Therefore, the relevant experts predict that the building water supply pipe material will eventually return to the era of metal pipe. According to foreign application experience, in the metal pipe identified thin-walled stainless steel pipe as one of the best overall performance of the pipe.

Grade and classification of stainless steel surface treatment

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